申请人:——
公开号:US20030191167A1
公开(公告)日:2003-10-09
A compound selected from those of formula (I):
1
wherein R
1a
, R
1b
, R
2
, R
3
, are as defined in the description,and optionally, its optical isomers, N-oxide, and addition salts thereof with a pharmaceutically-acceptable acid or base, and medicinal products containing the same are useful as specific inhibitors of phosphosdiesterase-7 (PDE-7).
从式(I)中选取的化合物,其中R1a、R1b、R2、R3如描述中所定义,以及其光学异构体、N-氧化物和与药用酸或碱形成的加合盐,以及含有该化合物的药物制剂可作为磷酸二酯酶-7(PDE-7)的特异性抑制剂。